Evidence-based planning for changing climate
Black line = observed monthly mean sea levels from 1970 through 2016 at the Sewell’s Point tide gauge (referenced to NAVD88)
Red dotted line = exponential trend line fitted to observed values and projected 40 years into the future
Blue cone = range of projections for future sea levels based on global climate models adjusted to include subsidence in southeastern Virginia
Referenced to the elevation benchmark North American Vertical Datum of 1988 (NAVD88) the 2050 projection is based on analysis of the water observations over the past 40 years.
Model projections through 2100 are based on the NOAA analysis published in 2017 adjusted for subsidence.
There are 6 different sea level rise scenarios in the NOAA report. We show only the range between the "low" and the "extreme" scenarios on this figure.
|Sewell's Point mean sea level in feet relative to NAVD88|
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